Current Watches and Warnings
Wyoming, Natrona County Lower Elevations
Areal Flood Advisory
Statement as of 3:02 PM MST on March 08, 2014
Expires 6:00 PM EDT on March 09, 2014
The National Weather Service in Riverton has issued a
* Flood Advisory for an ice jam and snow melt in...
Johnson County in north central Wyoming...
Natrona County in central Wyoming...
* until 400 PM MDT Sunday
* over the next 24 hours... warming temperatures will bring
an increasing chance for ice jam flooding in and near the
Powder River in northern Natrona and southern Johnson
counties. Additionally... snowmelt over the next couple of days
from water unable to filter into the frozen ground... may instead
flow into low areas and outlets... causing ponding of these low
lying areas. Temperatures will rise into the mid and upper 50s on
Sunday. ..so expect flooding probabilities to increase with
the rising temperatures.
Warm days and freezing temperatures at night will allow the
threat for ice jamming to continue along the Powder River through
the the weekend and Monday. The threat will begin to subside when
most of river ice has broken up in the middle of the river
channel. Ice jam flooding is typically most severe near
* Some locations that could experience minor flooding from ice jams
include... areas near and around the Powder River... particularly in
south central Johnson County. The foothills of the southern
Bighorn Mountains will be the most susceptable to snowmelt
River ice is very unpredictable... and may move and jam with little
notice. Any ice jam can cause flooding as the ice dam can cause
rapid increases in river levels in a short period of time. People
living near these rivers should monitor the situation closely and be
ready to move to higher ground if flooding occurs.
Excessive runoff from snowmelt can cause minor flooding of small
creeks and streams. Additionally... country roads and farmlands
along the banks of creeks and streams and other low lying areas are
subject to minor flooding.
Report hazardous weather to the National Weather Service office in
Riverton at 1-800-211-1448.
Lat... Lon 4244 10607 4243 10751 4265 10755 4277 10754
4278 10749 4349 10752 4351 10711 4434 10713
4456 10735 4456 10600
High Wind Warning
Statement as of 10:29 PM MST on March 08, 2014
Expires 2:00 PM EDT on March 09, 2014
... High Wind Warning remains in effect until noon MDT Sunday...
A High Wind Warning remains in effect until noon MDT Sunday.
* Summary and timing... the threat of high winds will occur by
morning. Then the high wind will continue Sunday morning before
decreasing. The strongest winds are expected on Wyoming
Boulevard... outer drive on the south side of Casper and around
* Wind... west winds of 35 to 45 mph with gusts to 65 mph.
* Impacts... travel may become hazardous for light weight and
high profile vehicles on highways 287... 220 and 20 26. Expect
strong cross winds with blow over potential.
A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.
The latest Road conditions provided by the Wyoming Department of
Transportation are available by calling 5-1-1 or on the internet
Statement as of 12:41 AM MST on March 08, 2014
... Record daily maximum precipitation set at Casper WY...
an upper level disturbance... and its associated front... brought
rain... .and some snow... across portions of the cowboy state
yesterday. A record precipitation of 0.32 inches was set at Casper
WY yesterday. This breaks the old record of 0.19 set in 2012.
Public Information Statement
Statement as of 8:03 PM MST on March 08, 2014
... All hazards NOAA Weather Radio transmitters off the air...
The NOAA Weather Radio transmitters at Grant Village and Elk
Mountain (both serving Yellowstone National park)... Cody... Afton...
Casper... DuBois... Rock Springs... and Kaycee are all out of service
at this time.
Technicians have identified the problem and the phone companies has
been notified. No estimation time for return of service. We
apologize for any inconvenience. For weather information you can go
to our website at weather.Gov/riw (all lower case).
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